20935143

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{293}}^1\times {\mathrm{467}}^1$

素因数の和:783

約数の個数: 24

約数和(自身を含む): 32196528

約数和(自身を除く): 11261385

約数列:

[1, 3, 9, 17, 51, 153, 293, 467, 879, 1401, 2637, 4203, 4981, 7939, 14943, 23817, 44829, 71451, 136831, 410493, 1231479, 2326127, 6978381, 20935143]

約数ペア:

[(1, 20935143), (3, 6978381), (9, 2326127), (17, 1231479), (51, 410493), (153, 136831), (293, 71451), (467, 44829), (879, 23817), (1401, 14943), (2637, 7939), (4203, 4981)]